Optimal water allocation may be considered a valuable solution to increase the productivity of water resources in arid and semi‐arid areas. To achieve this purpose, the main resources of water consumption in the Baghmalek Plain (Khuzestan Province) from October 2014 to September 2015 and the groundwater table for 12 years (2002–2014) were simulated. Multi‐objective optimization of the cropping pattern and groundwater simulation model have been programmed to generate a decision system in agricultural water management. Groundwater flow was simulated to address optimal discharge scenarios based on a finite difference numerical approach using MODFLOW software. The study years were divided into 48 seasonal stress periods and coefficients of hydraulic conductivity, specific yield and recharge were calibrated (36 periods) and verified (12 periods). The results showed that the flow model had an acceptable simulation accuracy by variance of 2.9 and 3.84 in the calibration and verification processes, respectively. Furthermore, precipitation is the main source of water supplying the cropping pattern, especially in the water‐deficit scenario when total water demand is not fully satisfied. © 2020 International Commission for Irrigation and Drainage

中文翻译：

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基于NSGAII-OIP和MODFLOW的水资源管理仿真优化模型

在干旱和半干旱地区，优化水分配可能被认为是提高水资源生产率的有价值的解决方案。为了实现这一目的，模拟了2014年10月至2015年9月在巴格马里克平原（胡塞斯坦省）的主要耗水资源和12年（2002-2014年）的地下水位。已对种植模式和地下水模拟模型的多目标优化进行了编程，以生成农业用水管理决策系统。使用MODFLOW软件，基于有限差分数值方法，模拟地下水流量以解决最佳排放方案。研究年度分为48个季节性应力时期，并校准（36个时期）和验证（12个时期）的水力传导系数，比产量和补给系数。结果表明，在校准和验证过程中，该流动模型的模拟精度分别为2.9和3.84，可以接受。此外，降水是灌溉作物的主要水源，特别是在缺水情况下，总需水量未得到充分满足。©2020国际灌溉排水委员会